QList<ChatLine *> _lines;
bool _singleBufferScene;
+ // calls to QChatScene::sceneRect() are very expensive. As we manage the scenerect ourselves
+ // we store the size in a member variable.
+ QRectF _sceneRect;
+ void updateSceneRect(const QRectF &rect);
+
ColumnHandleItem *firstColHandle, *secondColHandle;
qreal firstColHandlePos, secondColHandlePos;